In this episode, I'm outlining five things refrigeration techs need to check before replacing a compressor to avoid an unnecessessary change out. Between 30-40% of swapped compressors are found to have no real issue, and these checks will help technicians uncover root-cause issues and potentially avoid costly and time-consuming work that might not be needed. This episode details the five checks: oil level and oil management, compressor superheat, electrical health, operating conditions, and controller/sensor accuracy. We also cover key readings and how to better understand failure modes and prevent repeat failures.
In this episode, we discuss:
(00:48) How to Avoid Replacing Good Compressors
(03:16) Check 1: Oil Management
(04:27) Check 2: Compressor Superheat
(06:13) Check 3: Electrical Health
(07:14) Check 4: Operating Conditions
(08:19) Check 5: Controllers and Sensors
(09:56) Inspecting a Failed Compressor
(12:14) Documentation and Preventing Repeated Failures
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